Red phosphorescent compound and organic light emitting diode device using the same

Abstract

The present invention provides a phosphorescent compound of one of following formulas:

What is claimed is: 
     
       1. A red phosphorescent compound having the following formula: 
       
         
           
           
               
               
           
         
         wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline. 
       
     
     
       2. The compound according to  claim 1 , wherein the substituent of Ar1 and Ar2 is independently selected from C5-C20 aryl, C1-C10 alkyl, C1-C10 alkoxy, halogen, cyano and silyl. 
     
     
       3. The compound according to  claim 1 , wherein the substituent of Ar1 and Ar2 is independently selected from pyridinyl, bipyridinyl, quinolinyl, isoquinolinyl, terpyridinyl, phenanthrolinyl, methyl, ethyl, propyl, iso-propyl, butyl, methoxy, ethoxy, buthoxy, fluorine, chloride, cyano and trimethylsilyl. 
     
     
       4. The compound according to  claim 1 , wherein Ar1 and Ar2 is independently selected from following: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
       5. The compound according to  claim 1 , wherein the compound includes one of following: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
       6. A red phosphorescent compound having the following formula: 
       
         
           
           
               
               
           
         
         wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline. 
       
     
     
       7. The compound according to  claim 6 , wherein the substituent of Ar1 and Ar2 is independently selected from C5-C20 aryl, C1-C10 alkyl, C1-C10 alkoxy, halogen, cyano and silyl. 
     
     
       8. The compound according to  claim 6 , wherein the substituent of Ar1 and Ar2 is independently selected from pyridinyl, bipyridinyl, quinolinyl, isoquinolinyl, terpyridinyl, phenanthrolinyl, methyl, ethyl, propyl, iso-propyl, butyl, methoxy, ethoxy, buthoxy, fluorine, chloride, cyano and trimethylsilyl. 
     
     
       9. The compound according to  claim 6 , wherein Ar1 and Ar2 is independently selected from following: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
       10. The compound according to  claim 6 , wherein the compound includes one of following: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
       11. An organic light emitting diode device, comprising:
 a first electrode; 
 a second electrode facing the first electrode; and 
 an emitting material layer between the first and second electrodes and including a red phosphorescent compound having the following formula: 
 
       
         
           
           
               
               
           
         
         wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline. 
       
     
     
       12. The device according to  claim 11 , wherein the red phosphorescent compound is soluble in a non-polar solvent. 
     
     
       13. The device according to  claim 11 , wherein the red phosphorescent compound serves as a host in the emitting material layer. 
     
     
       14. An organic light emitting diode device, comprising:
 a first electrode; 
 a second electrode facing the first electrode; and 
 an emitting material layer between the first and second electrodes and including a red phosphorescent compound having the following formula: 
 
       
         
           
           
               
               
           
         
         wherein Ar1 is selected from substituted or non-substituted pyridine, substituted or non-substituted quinoline and substituted or non-substituted phenanthroline, and Ar2 is selected from substituted or non-substituted pyridine and substituted or non-substituted quinoline. 
       
     
     
       15. The device according to  claim 14 , wherein the red phosphorescent compound is soluble in a non-polar solvent. 
     
     
       16. The device according to  claim 14 , wherein the red phosphorescent compound serves as a host in the emitting material layer.